<template>
  <div class="login_container">
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <el-form
        :model="loginForm"
        :rules="loginFormRules"
        ref="ruleForm"
        class="login_form"
      >
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-user"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            v-model="loginForm.password"
            prefix-icon="iconfont icon-3702mima"
            type="password"
          ></el-input>
        </el-form-item>
        <el-form-item class="btn">
          <el-button type="primary" @click="validateForm('ruleForm')"
            >登陆</el-button
          >
          <el-button type="info" @click="resetForm('ruleForm')">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入用户', trigger: 'blur' },
          { min: 5, max: 15, message: '长度在 5 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    validateForm (formName) {
      this.$refs[formName].validate(async (valid) => {
        if (!valid) return
        const { data: result } = await this.$http.post('login', this.loginForm)
        console.log(result)
        if (result.meta.status !== 200) return this.$message.error('登陆失败')
        this.$message.success('登陆成功')
        window.sessionStorage.setItem('token', result.data.token)
        this.$router.push('/home')
      })
    },
    resetForm (formName) {
      console.log(this)
      this.$refs[formName].resetFields()
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  height: 100%;
  background-color: #2b4b6b;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;

    img {
      width: 130px;
      height: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
    }
  }
}
.login_form {
  width: 100%;
  box-sizing: border-box;
  padding: 0 20px;
  position: absolute;
  bottom: 0px;
}
.btn {
  display: flex;
  justify-content: flex-end;
}
</style>
